The Huayllay National Sanctuary is located in Peru's central Andes (Pasco department) between 4,100 and 4,546 metres above sea level. The Sanctuary is a forest of stones of volcanic origin, with impressive cliffs and bizarre figures formed by erosion caused by wind, water and the movement of glaciers. It is an immense open air geological museum, where silhouettes that resemble a cobra, an elephant, a snail and many more can be seen.
The best way to explore the sanctuary is by walking some of the various tourist trails, and ending the visit with a relaxing bath in the hot springs. Various archaeological sites can also be visisted.
Accommodation and basic services are available in the nearby communities. Camping is also possible within the sanctuary.
Activities: Trekking, rock climbing, mountain biking, camping.
Climate: Cold, with temperatures between -8°C and 13.8°C (18°F and 57°F). The rainy season is from September to March, and the recommended period for visiting is from April to December.
Access by Land: From Lima, the best option is the Carretera Central (312 km - 194 miles) to Carhuamayo.